:root {
  --navy: #1b2a4a;
  --navy-soft: #2c3e63;
  --bw-blue: #75aadb;          /* Botswana flag light blue */
  --ink: #1f2733;
  --muted: #5b6675;
  --line: #e2e8f0;
  --bg: #f6f8fb;
  --card: #ffffff;
  --accent: #2f855a;
  --danger: #c53030;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: 'Open Sans', -apple-system, sans-serif;
  color: var(--ink);
  background: var(--bg);
  font-size: 15.5px;
  line-height: 1.6;
}
.hidden { display: none !important; }
.muted { color: var(--muted); }
.small { font-size: 0.85rem; }

/* Top bar */
.topbar { background: var(--navy); color: #fff; position: sticky; top: 0; z-index: 30; }
.topbar-inner { max-width: 1200px; margin: 0 auto; padding: 0.6rem 1.25rem; display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.brand { display: flex; align-items: center; gap: 0.75rem; }
.flag-chip { width: 26px; height: 18px; border-radius: 3px; display: inline-block;
  background: linear-gradient(to bottom, var(--bw-blue) 0 37%, #fff 37% 45%, #000 45% 55%, #fff 55% 63%, var(--bw-blue) 63% 100%); }
.brand-title { font-weight: 700; font-size: 1.02rem; line-height: 1.25; }
.brand-sub { font-size: 0.78rem; opacity: 0.8; }
.topnav { display: flex; align-items: center; gap: 1rem; }
.user-chip { font-size: 0.82rem; opacity: 0.85; }
.nav-link { color: #fff; text-decoration: none; font-size: 0.88rem; border-bottom: 1px solid rgba(255,255,255,0.4); }
.nav-link:hover { border-bottom-color: #fff; }

/* Partner bar */
.partner-bar { background: #fff; border-bottom: 1px solid var(--line); }
.partner-inner { max-width: 1200px; margin: 0 auto; padding: 0.55rem 1.25rem; display: flex; align-items: center; justify-content: center; gap: 2.5rem; flex-wrap: wrap; }
.partner { display: flex; align-items: center; gap: 0.6rem; }
.plogo { height: 40px; width: auto; }
.plogo-undp { height: 46px; }
.plogo-heat { height: 26px; }
.pname { font-size: 0.68rem; line-height: 1.3; color: var(--muted); font-weight: 600; }

/* DRAFT marking */
.draft-badge { display: inline-block; background: #c53030; color: #fff; font-size: 0.66rem; font-weight: 700;
  letter-spacing: 0.08em; padding: 0.12rem 0.5rem; border-radius: 4px; vertical-align: 0.15em; margin-right: 0.3rem; }
.doc-section {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='420' height='300'%3E%3Ctext x='210' y='160' font-family='Open Sans, sans-serif' font-size='58' font-weight='700' fill='%231b2a4a' fill-opacity='0.045' text-anchor='middle' transform='rotate(-24 210 150)'%3EDRAFT%3C/text%3E%3C/svg%3E");
  background-repeat: repeat;
}

/* Views */
.view { max-width: 1200px; margin: 0 auto; padding: 1.5rem 1.25rem 4rem; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 2rem; }
.auth-card { max-width: 460px; margin: 3rem auto; }
.auth-card h1 { margin-top: 0; font-size: 1.35rem; color: var(--navy); }

.tabs { display: flex; gap: 0.5rem; margin: 1.2rem 0 1rem; }
.tab { flex: 1; padding: 0.5rem; border: 1px solid var(--line); background: var(--bg); border-radius: 6px; cursor: pointer; font: inherit; font-size: 0.9rem; }
.tab.active { background: var(--navy); color: #fff; border-color: var(--navy); font-weight: 600; }

.auth-form { display: flex; flex-direction: column; gap: 0.85rem; }
.auth-form label { display: flex; flex-direction: column; gap: 0.25rem; font-size: 0.86rem; font-weight: 600; color: var(--navy-soft); }
input, textarea {
  font: inherit; padding: 0.55rem 0.7rem; border: 1px solid var(--line); border-radius: 6px; background: #fff;
}
input:focus, textarea:focus { outline: 2px solid var(--bw-blue); border-color: var(--bw-blue); }

.btn { font: inherit; font-size: 0.9rem; padding: 0.55rem 1.1rem; border-radius: 6px; border: 1px solid var(--line); background: #fff; cursor: pointer; }
.btn.primary { background: var(--navy); border-color: var(--navy); color: #fff; font-weight: 600; }
.btn.primary:hover { background: var(--navy-soft); }
.btn.approve { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.reject { background: #fff; border-color: var(--danger); color: var(--danger); }
.btn:disabled { opacity: 0.5; cursor: default; }

.msg { padding: 0.6rem 0.8rem; border-radius: 6px; font-size: 0.88rem; background: #ebf4ff; border: 1px solid #bcd6f5; }
.msg.error { background: #fff5f5; border-color: #f5c2c2; color: var(--danger); }

/* Review layout */
#view-review { display: flex; gap: 2rem; align-items: flex-start; }
.toc { width: 270px; flex-shrink: 0; position: sticky; top: 70px; max-height: calc(100vh - 90px); overflow-y: auto;
  background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 1rem 1.1rem; }
.toc h2 { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); margin: 0 0 0.6rem; }
.toc a { display: block; color: var(--ink); text-decoration: none; font-size: 0.83rem; padding: 0.18rem 0; line-height: 1.35; }
.toc a.lvl2 { padding-left: 0.9rem; color: var(--muted); }
.toc a:hover { color: var(--navy); }
.toc .cnt { color: var(--bw-blue); font-weight: 700; font-size: 0.75rem; }

.doc { flex: 1; min-width: 0; }
.src-tabs { display: flex; gap: 0.5rem; margin-bottom: 0.9rem; }
.src-tab { font: inherit; font-size: 0.88rem; font-weight: 600; padding: 0.5rem 1.2rem; border-radius: 8px 8px 0 0;
  border: 1px solid var(--line); border-bottom: none; background: var(--bg); color: var(--muted); cursor: pointer; }
.src-tab.active { background: var(--navy); color: #fff; border-color: var(--navy); }
.doc-banner { background: var(--navy); color: #fff; border-radius: 10px; padding: 1rem 1.4rem; margin-bottom: 1.2rem; display: flex; flex-direction: column; gap: 0.15rem; }
.doc-banner .muted { color: rgba(255,255,255,0.75); }

.doc-section { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 1.4rem 1.8rem 0.4rem; margin-bottom: 1.1rem; overflow-x: auto; }
.doc-section h1 { font-size: 1.45rem; color: var(--navy); line-height: 1.3; }
.doc-section h2 { font-size: 1.15rem; color: var(--navy); line-height: 1.3; }
.doc-section h3 { font-size: 1rem; color: var(--navy-soft); }
.doc-section img { max-width: 100%; height: auto; }
.doc-section table { border-collapse: collapse; font-size: 0.85rem; margin: 0.8rem 0; }
.doc-section th, .doc-section td { border: 1px solid var(--line); padding: 0.35rem 0.55rem; vertical-align: top; }
.doc-section th { background: var(--bg); }

/* Comments */
.cbox { border-top: 2px solid var(--bw-blue); margin: 1.2rem -1.8rem 0; padding: 0.9rem 1.8rem 1.1rem; background: #f4f8fc; border-radius: 0 0 10px 10px; }
.cbox-head { display: flex; justify-content: space-between; align-items: center; font-size: 0.85rem; font-weight: 700; color: var(--navy); margin-bottom: 0.4rem; }
.comment { border-left: 3px solid var(--bw-blue); background: #fff; border-radius: 0 6px 6px 0; padding: 0.5rem 0.8rem; margin: 0.5rem 0; font-size: 0.88rem; }
.comment .meta { font-size: 0.78rem; color: var(--muted); margin-bottom: 0.15rem; }
.comment .meta strong { color: var(--navy); }
.comment .del { float: right; font-size: 0.75rem; color: var(--danger); cursor: pointer; background: none; border: none; padding: 0; }
.cform { display: flex; gap: 0.5rem; margin-top: 0.6rem; }
.cform textarea { flex: 1; min-height: 44px; resize: vertical; font-size: 0.88rem; }

/* Admin */
.admin-wrap { max-width: 980px; margin: 0 auto; }
.admin-wrap h1 { color: var(--navy); font-size: 1.4rem; }
.admin-actions { margin: 0.5rem 0 1rem; }
table.admin { width: 100%; border-collapse: collapse; background: var(--card); font-size: 0.88rem; }
table.admin th, table.admin td { border: 1px solid var(--line); padding: 0.5rem 0.7rem; text-align: left; vertical-align: middle; }
table.admin th { background: var(--navy); color: #fff; font-weight: 600; }
.badge { display: inline-block; padding: 0.1rem 0.55rem; border-radius: 999px; font-size: 0.75rem; font-weight: 700; }
.badge.pending { background: #fef3c7; color: #92400e; }
.badge.approved { background: #def7ec; color: #046c4e; }
.badge.rejected { background: #fde8e8; color: #9b1c1c; }

.footer { text-align: center; font-size: 0.78rem; color: var(--muted); padding: 1.2rem 1rem 2rem; }

@media (max-width: 900px) {
  #view-review { flex-direction: column; }
  .toc { position: static; width: 100%; max-height: 260px; }
}